81975528

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8191}}^1$

素因数の和:8342

約数の個数: 48

約数和(自身を含む): 223641600

約数和(自身を除く): 141666072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 8191, 10008, 16382, 24573, 32764, 49146, 65528, 73719, 98292, 147438, 196584, 294876, 589752, 1138549, 2277098, 3415647, 4554196, 6831294, 9108392, 10246941, 13662588, 20493882, 27325176, 40987764, 81975528]

約数ペア:

[(1, 81975528), (2, 40987764), (3, 27325176), (4, 20493882), (6, 13662588), (8, 10246941), (9, 9108392), (12, 6831294), (18, 4554196), (24, 3415647), (36, 2277098), (72, 1138549), (139, 589752), (278, 294876), (417, 196584), (556, 147438), (834, 98292), (1112, 73719), (1251, 65528), (1668, 49146), (2502, 32764), (3336, 24573), (5004, 16382), (8191, 10008)]